Continental IO-520-BB
Service difficulty reports · 388
Newest first. General aviation reporting is voluntary.
Query with SQL
duckdb -csv -c "SELECT sdr_id, difficulty_date, n_number, aircraft_make, aircraft_model, part_name, part_condition, jasc_code, discrepancy FROM 'https://openairdocs.org/data/latest/faa_service_difficulty_report.parquet' WHERE engine_model_key = 'IO520BB' ORDER BY difficulty_date DESC"
Prints the whole list as CSV. It reads the release’s Parquet files over HTTPS, so there’s nothing to download first. Install DuckDB to run it.
SELECT sdr_id, difficulty_date, n_number, aircraft_make, aircraft_model, part_name, part_condition, jasc_code, discrepancy FROM 'https://openairdocs.org/data/latest/faa_service_difficulty_report.parquet' WHERE engine_model_key = 'IO520BB' ORDER BY difficulty_date DESC
Run it at the DuckDB prompt, or in any tool that reads Parquet over HTTPS. More ways to query the release are on Use the data.
SDR 2001FA0000507Brushes · wornMAGNETO REMOVED FROM ENGINE FOR 500 HOUR INSPECTION IAW MM. REMOVED THE REAR COVER AND THE DISTRIBUTOR BLOCK FROM MAGNETO AND FOUND THE CARBON BRUSH WORN. CARBON DUST WAS FOUND ON THE FLAT PART OF THE CAP. WHERE IT LOOKS LIKE A SMALL SPARK LINE TO GROUND. SDR 2001FA0000508Brushes · wornMAGNETO REMOVED FROM ENGINE FOR 500 HOUR INSPECTION IAW MM. REMOVED THE REAR COVER AND THE DISTRIBUTOR BLOCK FROM MAGNETO AND FOUND THE CARBON BRUSH WORN. CARBON DUST WAS FOUND ON THE FLAT PART OF THE CAP. WHERE IT LOOKS LIKE A SMALL SPARK LINE TO GROUND. SDR 2001FA0000509Brushes · wornMAGNETO REMOVED FROM ENGINE FOR 500 HOUR INSPECTION IAW MM. REMOVED THE REAR COVER AND THE DISTRIBUTOR BLOCK FROM MAGNETO AND FOUND THE CARBON BRUSH WORN. CARBON DUST WAS FOUND ON THE FLAT PART OF THE CAP. WHERE IT LOOKS LIKE A SMALL SPARK LINE TO GROUND. SDR 2001FA0000510Brushes · wornMAGNETO REMOVED FROM ENGINE FOR 500 HOUR INSPECTION IAW MM. REMOVED THE REAR COVER AND THE DISTRIBUTOR BLOCK FROM MAGNETO AND FOUND THE CARBON BRUSH WORN. CARBON DUST WAS FOUND ON THE FLAT PART OF THE CAP. WHERE IT LOOKS LIKE A SMALL SPARK LINE TO GROUND. TSDR 2001FA0000511Pump · leakingLEAKING FUEL FROM CASE DRAIN.SDR 2001FA0000405Magneto · failedMAGNETO REMOVED FROM ENGINE FOR 500 HOUR INSPECTION IN ACCORDANCE WITH THE MM. REMOVED THE REAR COVER OF MAGNETO AND FOUND A GRAY COLOR POWDER ON THE CAP AND AROUND THE COIL. THIS WAS FOUND ON THE MAGNETOS THAT HAD FAILED IN FLIGHT WITH ABOUT THE SAME FLIGHTSDR E842001F00000Idler Pulley · failedTHE KIT CONDITIONER BELT IDLER PULLEY WHICH HOLDS TENSION ON THE COMPRESSOR TO CRANKSHAFT PULLEY BELT. THIS IS THE SECOND OCCURANCE IN WHICH THE BEARINGS IN THIS PULLEY SIEZE AND CAUSE THE PULLEY TO FALL OFF INTO THE COWLING AND ENGINE COMPARTMENT.SDR XGN2001F00001Rod Bolt · brokenROD BOLT BROKE ON NR 6 CYLINDER, WHILE AIRCRAFT WAS ON FINAL APPROACH. THE AIRCRAFT LANDED WITHOUT INCIDENT. THE ENGINE WAS DESTROYED.SDR XGN2001F00000Cylinder Head · departedCYLINDER HEAD DEPARTED CYLINDER BARREL, WHILE AIRCRAFT WAS IN FLIGHT. AIRCRAFT LANDED WITHOUT INCIDENT.SDR AHE0101Control Cable · shearedTHE LEFT FLAP DRIVE CABLE WAS FOUND TO HAVE A SUSPECT D.O.M. A NEW ITEM PN 12527Y6331 WAS ORDERED AND RECEIVED WITH A 03-2001 D.O.M. THE NEW ITEM WAS IAW MM AND ON FIRST OPERATION OF THE FLAPS THE LEFT FLAP FAILED TO MOVE. ON INVESTIGATION IT WAS DISCOVERED SDR 20010613CW014Pump · leakingON LANDING, A SMELL OF FUEL WAS DETECTED IN THE CABIN OF THE AIRCRAFT. MAINTENANCE WAS CALLED TO CHECK THE AIRCRAFT FOR A FUEL LEAK, UPON INSPECTION IT WAS FOUND TO BE LEAKING FUEL FROM THE CASE DRAIN IN THE ENGINE DRIVEN PUMP. PUMP WAS REMOVED AND TRIMMED ISDR 20010613CW013Flow Divider · stuckENGINE RUN ROUGH AND SOMETIME WOULD NOT SHUT DOWN, THE FUEL FLOW DIVIDER WOULD STICK OPEN, LETTING FUEL TOO CONTINUAL TO THE ENGINE. THE FLOW DIVIDER WAS REMOVED AND REPLACED WITH A NEW ONE, OPERATION OF ENGINE CHECKED OUT NORMAL.SDR 20010209CW002Pump · leakingENGINE DRIVEN FUEL PUMP LEAKING OIL FROM DRAIN.SDR 20010209CW003Pump · leakingENGINE DRIVEN FUEL PUMP LEAKING OIL FROM DRAIN.SDR 20010209CW004Pump · leakingENGINE DRIVEN FUEL PUMP LEAKING OIL FROM DRAIN.SDR 20010213CW006Pump · leakingENGINE DRIVEN FUEL PUMP LEAKING OIL FROM DRAIN.SDR 20001017SH040Pump · leakingOIL LEAKING FROM VENT. (X)SDR 20001019SH001Pump · defectiveUNABLE TO ADJUST FUEL FLOW TOP END AND IDLE MIXTURE. (X)SDR 20000912SH017Pump · leakingWHEN HOT, THERE WAS NO PRESSURE, AND FUEL LEAKED OUT OF DRAIN. (X)SDR 99ZZZX4548Cylinder · wornAT 303.67 HOURS, THESE CYLINDERS HAD WORN OUT BORES AND EXHAUST VALVE GUIDES WORN BEYOND SERVICEABLE LIMITS. THE ENGINE WAS FACTORY REBUILT/ZERO TIMED 1995.SDR 99ZZZX1874Impulse Coupling · damagedON A ROUTINE FLIGHT, PILOT NOTICED A DIFFERENT SOUND TO ENGINE. UPON LANDING, PERFORMED A MAGNETO CHECK AND WHEN SWITCHED TO LEFT MAGNETO, THE ENGINE STOPPED RUNNING. INSPECTION REVEALED THE LEFT MAGNETO IMPULSE COUPLING SPRING HAD BROKEN ALLOWING MAGNETO TISDR CA980616011Spring · broken(CAN) THE AIRCRAFT ENGINE RAN ROUGH ON RUN-UPS. INVESTIGATION FOUND THE SPRING BETWEEN THE MIXTURE AND THROTTLE CONTROL ARM WAS BROKEN/DISLODGED. THE SPRING WAS REPLACED, BUT SHORTLY AFTER BECAME DISLODGED. THE CONTINENTAL TECH REP WAS CONTACTED AND HE ADIVSSDR 98ZZZX38Bolts · looseOIL SUMP QUICK DRAIN WOULD NOT OPEN. REMOVED QUICK DRAIN TO TROUBLESHOOT AND FOUND LOOSE BOLT LAYING ACROSS DRAIN HOLE IN OIL PAN. REMOVED OIL PAN AND FOUND 3 EACH .25 INCH FLANGE BOLTS AND 1 EACH .3125 INCH THROUGH-BOLT LYING IN PAN ALONG WITH NUTS AND WASHSDR 97ZZZX3095Cylinder · crackedINSPECTION FOUND NR 4 CYLINDER CRACKED. CRACK RUNS FROM EXHAUST.SDR 97ZZZX2593Magneto · crackedWHEN CHECKING MAGNETOS DURING ENGINE RUN-UP PRIOR TO TAKEOFF, RIGHT MAGNETO GAVE A 350 FOOT RPM DROP ACCOMPANIED BY A VERY ROUGH RUNNING ENGINE. AFTER RIGHT MAGNETO WAS REMOVED FOR TROUBLESHOOTING, CRACKS WERE DISCOVERED ON THE TOP AND BOTTOM OF THE HOUSING ESDR 96ZZZX4709Crankcase · crackedCRANKCASE CRACKED IN ON-CRITICAL AREA AS DEFINED BY M90-17. CRACK IN EXCESS OF 2 INCHES EXTENDING FROM NR 2 CYLINDER STUD UP THROUGH TOP OF CRANKCASE TOWARD MAGNETOS. ENGINE REMOVED FOR REPAIRS TO CRANKCASE BY OVERHAUL SHOP.SDR 96ZZZX3371Engine · excess sludgeENGINE WAS DISASSEMBLED FOR MAJOR OVERHAUL. FOUND EXCESSIVE SLUDGE BUILD-UP IN CRANKSHAFT AND OIL SUMP. SLUDGE BUILD-UP IN OIL SUMP HAD IMPACTED ALL P/U TUBE SCREENS TO THE POINT OF 80 PERCENT RESTRICTION. THE OIL DRAIN IS FORWARD OF THE OIL P/U TUBE, SO WHSDR 96ZZZX62Pump · shaft shearedENGINE DRIVEN FUEL PUMP FAILED ON CLIMB AT 400 FEET AGL.SDR 96ZZZX822Vapor Separator · fod jammed pumpCUSTOMER REPORTED ENG DRIVEN FUEL PUMP FAILED AT 600 FEET AGL AFTER T/O. PILOT ACTIVATED ELEC PUMP AND SAFELY LANDED AIRPLANE. PUMP SENT TO THIS FACILITY FOR DISASSEMBLY AND INSP. WHEN PUMP DISASSEMBLED, 2 SMALL FLAKES OF ALUM FOUND JAMMED IN VANES OF PUMP.SDR 95ZZZX6551Rocker Shaft · bolt shearedNR 2 CYLINDER VALVE COVER REMOVED FROM PUSHROD TUBE SEAL REPLACEMENT. FOUND FORWARD ROCKER SHAFT THROUGH-BOLT IN 3 PIECES. BOLT SHEARED FLUSH IN CYL HEAD, ALSO, INSIDE ROCKER SHAFT. APPROX .3125 INCH HOLE IN FWD SHAFT HOLDER WAS FND ENLARGED TO .50 INCH. ESDR 95ZZZX6764Seal · leakingTHE GARLOCK SEAL OR LIPPED SEAL ON THE AIR CONDITIONER PULLEY SHAFT WHICH STICKS OUT THE AFT SIDE OF THE STARTER ADAPTER (THE SHAFT WITH THE CASTELATTED NUT AND COTTER PIN ON THE AFT FORWARD OF IT), WAS LEAKING OIL. HARD TO LOCATE LEAK AT THIS SEAL AS IT LOOKSDR 95ZZZX4527Fitting · faultyAFTER A NORMAL RUN-UP, ACFT LOST POWER ON TAKEOFF AT APPROX 300 FEET AGL. PILOT SWITCHED FUEL TANKS AND ADJUSTED MIXTURE CONTROL WITH NO RESULTS. A SAFE EMERGENCY LANDING WAS MADE ON THE DOWN-WIND RUNWAY. ENGINE WAS SHUT OFF AND ACFT TOWED TO MAINTENANCE HASDR 95ZZZX2906Hose Assy · leakingPILOT REPORTS THE ENGINE COULD NOT BE LEANED AT ALTITUDE AND THAT IT WOULD NOT IDLE OR CONTINUE RUNNING AT SPEEDS BELOW 800 RPM. FOUND THE FLEXIBLE FUEL LINE LEAKING THROUGH THE BRAIDED EXTERIOR ALONG ITS ENTIRE LENGTH. THIS LINE SUPPLIES FUEL FROM THE FUEL SDR 95ZZZX2667Valve Rotor · failedVALVE ROTOR FAILED CAUSING DAMAGE TO THE VALVE SPRING AND VALVE GUIDE.SDR 95ZZZX2665Valve Stem · wornFOUND 5 EXHAUST VALVE STEMS WORN ONE-FOURTH THE DIAMETER OF THE VALVE STEM. THESE WERE FOUND ON AN ENGINE TEAR DOWN FOR PROPELLER STRIKE. THESE VALVES WOULD EVENTUALLY HAVE CAUSED ENGINE FAILURE.SDR 95ZZZX954Bolt · brokenDURING ROUTINE MAINTENANCE, AN OIL LEAK WAS NOTED BETWEEN THE NR 2 CYLINDER AND THE OIL COOLER. FURTHER INSPECTION REVEALED LOWER AFT THROUGH-BOLT BROKEN APPROXIMATELY ONE-THIRD ITS LENGTH. REPLACEMENT BOLT WAS A SLIGHTLY DIFFERENT DESIGN. ENGINE TIME SINCESDR 95ZZZX584Piston Ring · stickingTHIS ENGINE HAD TEST TIME ONLY ON A FACTORY REMANUFACTURED ENGINE. ALL SIX BOTTOM PISTON RINGS WERE EMBEDDED WITH ALUMINUM CAUSING RINGS TO 'STICK'. THIS ALSO CAUSED THE PISTONS TO REJECT.SDR 95ZZZX635Cylinder · excess wearENGINE TT SINCE FACTORY OVERHAUL, 7726 HOURS. REBUILT 1-14-92. INSTALLED 2-12-92. CYLINDER HEAD DATES 8-91, ALL 6 CYLNDERS, LOW COMPRESSIONS ALL CYLINDERS. CYLINDERS ARE WORN BEYOND SERVICEABLE LIMITS AND SEVERE RING WEAR. ROCKER SHAFTS ARE SEVERELY WORN,
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